Refractory anchor



FIG. 1 is a top perspective view of the refractory anchor according to the first embodiment;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a back perspective view thereof;

FIG. 4 is a front perspective view thereof;

FIG. 5 is a front view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is an inverted back view thereof;

FIG. 8 is a right side view thereof;

FIG. 9 is a left side view thereof;

FIG. 10 is a bottom view thereof;

FIG. 11 is a top perspective view of the refractory anchor according to the second embodiment;

FIG. 12 is a bottom perspective view of the second embodiment;

FIG. 13 is a back perspective view of the second embodiment;

FIG. 14 is a front perspective view of the second embodiment;

FIG. 15 is a front view of the second embodiment;

FIG. 16 is a top view of the second embodiment;

FIG. 17 is an inverted back view of the second embodiment;

FIG. 18 is a right side view of the second embodiment;

FIG. 19 is a left side view of the second embodiment; and,

FIG. 20 is a bottom view of the second embodiment.

The broken lines in the drawings illustrate portions of the refractory anchor and form no part of the claimed design. 

CLAIM The ornamental design for a refractory anchor, as shown and described. 